The Pb content of the As-containing material treated by the process is less than 3 percent, so that the fluidized bed roasting operation can be normally operated.
经过本发明工艺处理后的含砷物料，含铅量小于3%，从而使上述沸腾焙烧作业能够正常运行。
The technical retrofitting measures for pyrite-based sulphuric acid plant are introduced with respects to fluidized-bed roasting, cleaning, drying and absorption and conversion and energy savings.
介绍了硫铁矿制酸装置沸腾焙烧、净化、干吸、转化和节能等方面的技改措施。
应用推荐